If you think Venice is too crowded or touristy, try one of the nearby islands like Burano. Gary H. took this photo during his Azamara cruise. In the mood for shopping? Burano is known for its beautiful lace, and the nearby island of Murano for its Venetian glass.

5. Copenhagen, Denmark

Nyhavn is a 17th-century waterfront, canal and entertainment hub in Copenhagen. Thanks to its historical wooden ships and brightly colored townhouses, bars, cafes and restaurants, it is a fun (and photogenic!) place to visit. Browse upcoming voyages calling on Copenhagen.

6. Barcelona, Spain

Park Güell is one of the most recognizable sites in Barcelona. Designed by Catalan architect Antoni Gaudi in the early 1900s, the complex park is one of the largest architectural works in Southern Europe. The colorful "Works of Antoni Gaudi" is a UNESCO World Heritage Site. Find an upcoming voyage here.

7. Santorini, Greece

Santorini may be known for its whitewashed villages, but bright blue roofs and pink, orange and yellow pops of color have landed it on our list. Make a stop in the village of Oia during one of these Greek Islands cruises.